The answer is no and the reason why goes back to the early days of America's history.

VOA: special.2009.05.22

This kind of joint pain is the reason why dengue fever is sometimes known as breakbone fever.

VOA: special.2009.05.26

And here is at least part of the reason why: Since late July the government has been paying for people to trade in older vehicles for newer ones with greater fuel economy.

VOA: special.2009.08.07

"The reason why we want to come to this one is because we really want this phone."

VOA: standard.2010.06.25

And that's part of the reason why South Korea scores badly in the index."

VOA: standard.2009.11.05

I meet with my teachers and they are very experience and intelligent people and the reason why I chose political science is because I have always had a passion for politics,".

VOA: standard.2009.12.14

They might end up getting cancer." Virtual colonoscopy as a screening tool is quite effective thats one of the reason why national cancer Institute recommends this as one of the screening device."

VOA: standard.2010.04.07

"The reason why I do not think it is likely is because of all the resources we have put on this, considerably more than the last administration did, to see to it that it will not happen."

VOA: standard.2010.02.14

"It was like a giant jigsaw puzzle and the more we started to unearth and peel back the onion of who this guy was and what happened to him in the past and trying to truly understand the reason why he would be so obsessed with a specific case once we start to uncover these things about him we realized that once we explain one set of circumstances we needed to go even further with another set of circumstances."

VOA: standard.2010.02.27

Some Americans had trouble understanding the economic reason why food had to be destroyed so people could have enough to eat.

VOA: special.2011.03.24

But Ms.Smith says the voter registration process may be one reason why young people are less likely to vote.

VOA: special.2010.10.28

The female is much smaller. Institute director Steven Monfort has a reason why the clouded leopard may be rare.

VOA: special.2010.06.22

The delays may be one reason why graduate school applications from international students have slowed for the third year.

VOA: special.2009.06.11

They say their findings offer one reason why the custom of cursing may have continued for so long.

VOA: special.2009.08.18